Finding the Fourth Proportional to 3,492.72, 4,818.29 and 2,147.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,492.72 : 4,818.29 = 2,147.72 : x
2. Step 2: Convert to fraction form
   3,492.72/4,818.29 = 2,147.72/x
3. Step 3: Cross multiply
   3,492.72x = 4,818.29 × 2,147.72
4. Step 4: Simplify right side
   3,492.72x = 10,348,302.97
5. Step 5: Solve for x
   x = 10,348,302.97/3,492.72
6. Step 6: Final answer
   x = 2,962.82